Sunray DX Oil Company v. Brown , 477 P.2d 67 ( 1970 )
Hamilton v. Amwar Petroleum Co., Inc. , 769 P.2d 146 ( 1989 )
Mitchell v. Ford Motor Credit Co. , 688 P.2d 42 ( 1984 )
N.C. Corff Partnership, Ltd. v. OXY USA, Inc. , 929 P.2d 288 ( 1996 )